[ros-diffs] [greatlrd] 25254: 1. Adding a dummycpu showing how you can write you own cpu brain. 2. Did make some cleanup work for m68k

Author: greatlrd
Date: Sun Dec 31 19:03:07 2006
New Revision: 25254

URL: http://svn.reactos.org/svn/reactos?rev=25254&view=rev
Log:
1. Adding a dummycpu showing how you can write you own cpu brain. 
2. Did make some cleanup work for m68k 

Added:
    trunk/rosapps/devutils/cputointel/dummycpu/
    trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h   (with props)
    trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c   (with props)
    trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h   (with props)
    trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c   (with props)
Modified:
    trunk/rosapps/devutils/cputointel/cputointel.rbuild
    trunk/rosapps/devutils/cputointel/m68k/M68kBrain.c
    trunk/rosapps/devutils/cputointel/m68k/M68kBrain.h
    trunk/rosapps/devutils/cputointel/m68k/M68kopcode.c
    trunk/rosapps/devutils/cputointel/m68k/m68k.h

Modified: trunk/rosapps/devutils/cputointel/cputointel.rbuild
URL:
http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/cputoi…
==============================================================================
--- trunk/rosapps/devutils/cputointel/cputointel.rbuild (original)
+++ trunk/rosapps/devutils/cputointel/cputointel.rbuild Sun Dec 31 19:03:07 2006
@@ -12,4 +12,7 @@
 	<file>m68k/M68kBrain.c</file>
 	<file>m68k/M68kopcode.c</file>
 
+	<file>dummycpu/DummyBrain.c</file>
+	<file>dummycpu/Dummyopcode.c</file>
+
 </module>

Added: trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h
URL:
http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/dummyc…
==============================================================================
--- trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h (added)
+++ trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h Sun Dec 31 19:03:07 2006
@@ -1,0 +1,10 @@
+
+#include "../misc.h"
+
+/* here we put the prototype for the opcode api that brain need we show a example for it
*/
+CPU_INT DUMMY_Add(FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT
cpu_size, CPU_UNINT BaseAddress);
+
+
+/* Export comment thing see m68k for example 
+ * in dummy we do not show it, for it is diffent for each cpu
+ */

Propchange: trunk/rosapps/devutils/cputointel/dummycpu/Dummy.h
------------------------------------------------------------------------------
    svn:eol-style = native

Added: trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/dummyc…
==============================================================================
--- trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c (added)
+++ trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c Sun Dec 31 19:03:07 2006
@@ -1,0 +1,137 @@
+
+#include <stdio.h>
+#include <stdlib.h> 
+#include "DummyBrain.h"
+#include "Dummy.h"
+#include "../misc.h"
+
+/* retun 
+ * 0 = Ok 
+ * 1 = unimplemt 
+ * 2 = Unkonwn Opcode 
+ * 3 = can not open read file
+ * 4 = can not open write file
+ * 5 = can not seek to end of read file
+ * 6 = can not get the file size of the read file
+ * 7 = read file size is Zero
+ * 8 = can not alloc memory
+ * 9 = can not read file
+ */
+
+CPU_INT DummyBrain(char *infileName, char *outputfileName, CPU_UNINT BaseAddress)
+{
+    FILE *infp;
+    FILE *outfp;
+    CPU_BYTE *cpu_buffer;   
+    CPU_UNINT cpu_pos = 0;
+    CPU_UNINT cpu_oldpos;
+    CPU_UNINT cpu_size=0;
+    CPU_INT cpuint;
+    CPU_INT retcode = 0;
+    CPU_INT retsize;
+
+    /* Open file for read */
+    if (!(infp = fopen(infileName,"RB")))
+    {
+        printf("Can not open file %s\n",infileName);
+        return 3;
+    }
+
+    /* Open file for write */
+    if (!(outfp = fopen(outputfileName,"WB")))
+    {
+        printf("Can not open file %s\n",outputfileName);
+        return 4;
+    }
+
+    /* Load the binary file to a memory buffer */
+    fseek(infp,0,SEEK_END);
+    if (!ferror(infp))
+    {
+        printf("error can not seek in the read file");
+        fclose(infp);
+        fclose(outfp);        
+        return 5;
+    }
+    
+    /* get the memory size buffer */
+    cpu_size = ftell(infp);
+    if (!ferror(infp))
+    {
+        printf("error can not get file size of the read file");
+        fclose(infp);
+        fclose(outfp);        
+        return 6;
+    }
+
+    if (cpu_size==0)
+    {
+        printf("error file size is Zero lenght of the read file");
+        fclose(infp);
+        fclose(outfp);        
+        return 7;
+    }
+
+    /* alloc memory now */
+    if (!(cpu_buffer = (unsigned char *) malloc(cpu_size)))
+    {
+        printf("error can not alloc %uld size for memory buffer",cpu_size);
+        fclose(infp);
+        fclose(outfp);        
+        return 8;
+    }
+
+    /* read from the file now in one sweep */
+    fread(cpu_buffer,1,cpu_size,infp);
+    if (!ferror(infp))
+    {
+        printf("error can not read file ");
+        fclose(infp);
+        fclose(outfp);        
+        return 9;
+    }
+    fclose(infp);
+
+    /* now we start the process */    
+    while (cpu_pos<cpu_size)
+    {
+        cpu_oldpos = cpu_pos;
+
+        cpuint = cpu_buffer[cpu_pos];
+    
+        /* Add */
+        if ((cpuint - (cpuint & GetMaskByte(cpuDummyInit_Add))) ==
ConvertBitToByte(cpuDummyInit_Add))
+        {
+            retsize = DUMMY_Add(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress);
+            if (retsize<0)            
+                 retcode = 1;            
+            else
+                 cpu_pos += retsize;
+        }
+    
+        /* Found all Opcode and breakout and return no error found */
+        if (cpu_pos >=cpu_size)
+        {
+            break;
+        }
+
+        /* Check if we have found a cpu opcode */
+        if (cpu_oldpos == cpu_pos)
+        {            
+            if (retcode == 0)
+            {              
+                /* no unimplement error where found so we return a msg for unknown opcode
*/
+                printf("Unkonwn Opcode found at 0x%8x opcode
0x%2x\n",cpu_oldpos+BaseAddress,(unsigned int)cpu_buffer[cpu_oldpos]);               

+                retcode = 2;
+            }
+        }
+
+        /* Erorro Found ? */
+        if (retcode!=0)
+        {
+            /* Erorro Found break and return the error code */
+            break;
+        }
+    }
+    return retcode;    
+}

Propchange: trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.c
------------------------------------------------------------------------------
    svn:eol-style = native

Added: trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h
URL:
http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/dummyc…
==============================================================================
--- trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h (added)
+++ trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h Sun Dec 31 19:03:07 2006
@@ -1,0 +1,12 @@
+
+#include "../misc.h"
+
+
+/* example how setup a opcode, this opcode is 16bit long (taken from M68K) 
+ * 0 and 1 mean normal bit, 2 mean mask bit the bit that are determent diffent 
+ * thing in the opcode, example which reg so on, it can be etither 0 or 1 in 
+ * the opcode. but a opcode have also normal bit that is always been set to 
+ * same. thuse bit are always 0 or 1
+ */
+CPU_BYTE cpuDummyInit_Add[16] = {1,1,0,1,2,2,2,2,2,2,2,2,2,2,2,2};
+

Propchange: trunk/rosapps/devutils/cputointel/dummycpu/DummyBrain.h
------------------------------------------------------------------------------
    svn:eol-style = native

Added: trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/dummyc…
==============================================================================
--- trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c (added)
+++ trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c Sun Dec 31 19:03:07 2006
@@ -1,0 +1,35 @@
+
+#include <stdio.h>
+#include <stdlib.h> 
+#include "Dummy.h"
+#include "misc.h"
+
+
+/* cpuDummyInit_Add
+ * Input param : 
+ *               out         : The file pointer that we write to (the output file to
intel asm) 
+ *               cpu_buffer  : The memory buffer we have our binary code that we whant
convert
+ *               cpu_pos     : Current positions in the cpu_buffer 
+ *               cpu_size    : The memory size of the cpu_buffer
+ *               BaseAddress : The base address you whant the binay file should run from

+ *
+ * Return value :
+ *               value -1            : unimplement 
+ *               value  0            : wrong opcode or not vaild opcode
+ *               value +1 and higher : who many byte we should add to cpu_pos
+ */
+ 
+CPU_INT DUMMY_Add(FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT
cpu_size, CPU_UNINT BaseAddress)
+
+{
+    /* 
+     * ConvertBitToByte() is perfect to use to get the bit being in use from a bit array
+     * GetMaskByte() is perfect if u whant known which bit have been mask out 
+     * see M68kopcode.c and how it use the ConvertBitToByte()
+     */
+
+    fprintf(out,"Line_0x%8x :\n",BaseAddress + cpu_pos);
+
+    printf(";Add unimplement\n");
+    return -1;
+}

Propchange: trunk/rosapps/devutils/cputointel/dummycpu/Dummyopcode.c
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: trunk/rosapps/devutils/cputointel/m68k/M68kBrain.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/m68k/M…
==============================================================================
--- trunk/rosapps/devutils/cputointel/m68k/M68kBrain.c (original)
+++ trunk/rosapps/devutils/cputointel/m68k/M68kBrain.c Sun Dec 31 19:03:07 2006
@@ -100,7 +100,7 @@
         cpuint = cpu_buffer[cpu_pos];
     
         /* Abcd */
-        if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Abcd))) ==
ConvertBitToByte(cpuint_table_Abcd))                        
+        if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Abcd))) ==
ConvertBitToByte(cpuM68kInit_Abcd))
         {
             retsize = M68k_Abcd(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress);
             if (retsize<0)            
@@ -109,7 +109,7 @@
                  cpu_pos += retsize;
         }
         /* Add */
-        if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Add))) ==
ConvertBitToByte(cpuint_table_Add))
+        if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Add))) ==
ConvertBitToByte(cpuM68kInit_Add))
         {
             retsize = M68k_Add(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress);
             if (retsize<0)            
@@ -118,7 +118,7 @@
                  cpu_pos += retsize;
         }
         /* Addi */
-        if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Addi))) ==
ConvertBitToByte(cpuint_table_Addi))
+        if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Addi))) ==
ConvertBitToByte(cpuM68kInit_Addi))
         {
             retsize = M68k_Addi(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress);
             if (retsize<0)            
@@ -127,7 +127,7 @@
                  cpu_pos += retsize;
         }
         /* Addq */
-        if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Addq))) ==
ConvertBitToByte(cpuint_table_Addq))
+        if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Addq))) ==
ConvertBitToByte(cpuM68kInit_Addq))
         {
             retsize = M68k_Addq(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress);
             if (retsize<0)            
@@ -136,7 +136,7 @@
                  cpu_pos += retsize;
         }
         /* Addx */
-        if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Addx))) ==
ConvertBitToByte(cpuint_table_Addx))
+        if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Addx))) ==
ConvertBitToByte(cpuM68kInit_Addx))
         {
             retsize = M68k_Addx(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress);
             if (retsize<0)            
@@ -145,7 +145,7 @@
                  cpu_pos += retsize;
         }
         /* And */
-        if ((cpuint - (cpuint & GetMaskByte(cpuint_table_And))) ==
ConvertBitToByte(cpuint_table_And))
+        if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_And))) ==
ConvertBitToByte(cpuM68kInit_And))
         {
             retsize = M68k_Add(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress);
             if (retsize<0)            
@@ -154,7 +154,7 @@
                  cpu_pos += retsize;
         }
         /* Andi */
-        if ((cpuint - (cpuint & GetMaskByte(cpuint_table_Andi))) ==
ConvertBitToByte(cpuint_table_Andi))
+        if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_Andi))) ==
ConvertBitToByte(cpuM68kInit_Andi))
         {
             retsize = M68k_Andi(outfp, cpu_buffer, cpu_pos, cpu_size, BaseAddress);
             if (retsize<0)            
@@ -163,10 +163,10 @@
                  cpu_pos += retsize;
         }
         /* AndToCCR */
-        if ((cpuint - (cpuint & GetMaskByte(cpuint_table_AndToCCRF))) ==
ConvertBitToByte(cpuint_table_AndToCCRF))
+        if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_AndToCCRF))) ==
ConvertBitToByte(cpuM68kInit_AndToCCRF))
         {            
             cpuint = cpu_buffer[cpu_pos+1];
-            if ((cpuint - (cpuint & GetMaskByte(cpuint_table_AndToCCRS))) ==
ConvertBitToByte(cpuint_table_AndToCCRS))
+            if ((cpuint - (cpuint & GetMaskByte(cpuM68kInit_AndToCCRS))) ==
ConvertBitToByte(cpuM68kInit_AndToCCRS))
             {
                 cpu_pos++;
                 retsize = M68k_AndToCCR(outfp, cpu_buffer, cpu_pos, cpu_size,
BaseAddress);
@@ -177,7 +177,7 @@
             }
             else
             {
-                cpuint = cpu_buffer[cpu_pos];                
+                cpuint = cpu_buffer[cpu_pos];
             }
         }
 

Modified: trunk/rosapps/devutils/cputointel/m68k/M68kBrain.h
URL:
http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/m68k/M…
==============================================================================
--- trunk/rosapps/devutils/cputointel/m68k/M68kBrain.h (original)
+++ trunk/rosapps/devutils/cputointel/m68k/M68kBrain.h Sun Dec 31 19:03:07 2006
@@ -1,23 +1,23 @@
 
 #include "../misc.h"
 
-CPU_BYTE cpuint_table_Abcd[16]      = {1,1,1,1,2,2,2,1,0,0,0,0,2,2,2,2}; 
-CPU_BYTE cpuint_table_Add[16]       = {1,1,0,1,2,2,2,2,2,2,2,2,2,2,2,2};
-CPU_BYTE cpuint_table_Addi[16]      = {0,0,0,0,0,1,1,0,2,2,2,2,2,2,2,2};
-CPU_BYTE cpuint_table_Addq[16]      = {0,1,0,1,2,2,2,0,2,2,2,2,2,2,2,2};
-CPU_BYTE cpuint_table_Addx[16]      = {1,1,0,1,2,2,2,1,2,2,0,0,2,2,2,2};
-CPU_BYTE cpuint_table_And[16]       = {1,1,0,0,2,2,2,2,2,2,2,2,2,2,2,2};
-CPU_BYTE cpuint_table_Andi[16]      = {0,0,0,0,0,0,1,0,2,2,2,2,2,2,2,2};
-CPU_BYTE cpuint_table_AndToCCRF[16] = {0,0,0,0,0,0,1,0,0,0,1,1,1,1,0,0};
-CPU_BYTE cpuint_table_AndToCCRS[16] = {0,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2};
-CPU_BYTE cpuint_table_Asl[16]       = {1,1,1,0,2,2,2,0,2,2,2,0,0,2,2,2};
-CPU_BYTE cpuint_table_Asr[16]       = {1,1,1,0,2,2,2,1,2,2,2,0,0,2,2,2};
+CPU_BYTE cpuM68kInit_Abcd[16]      = {1,1,1,1,2,2,2,1,0,0,0,0,2,2,2,2}; 
+CPU_BYTE cpuM68kInit_Add[16]       = {1,1,0,1,2,2,2,2,2,2,2,2,2,2,2,2};
+CPU_BYTE cpuM68kInit_Addi[16]      = {0,0,0,0,0,1,1,0,2,2,2,2,2,2,2,2};
+CPU_BYTE cpuM68kInit_Addq[16]      = {0,1,0,1,2,2,2,0,2,2,2,2,2,2,2,2};
+CPU_BYTE cpuM68kInit_Addx[16]      = {1,1,0,1,2,2,2,1,2,2,0,0,2,2,2,2};
+CPU_BYTE cpuM68kInit_And[16]       = {1,1,0,0,2,2,2,2,2,2,2,2,2,2,2,2};
+CPU_BYTE cpuM68kInit_Andi[16]      = {0,0,0,0,0,0,1,0,2,2,2,2,2,2,2,2};
+CPU_BYTE cpuM68kInit_AndToCCRF[16] = {0,0,0,0,0,0,1,0,0,0,1,1,1,1,0,0};
+CPU_BYTE cpuM68kInit_AndToCCRS[16] = {0,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2};
+CPU_BYTE cpuM68kInit_Asl[16]       = {1,1,1,0,2,2,2,0,2,2,2,0,0,2,2,2};
+CPU_BYTE cpuM68kInit_Asr[16]       = {1,1,1,0,2,2,2,1,2,2,2,0,0,2,2,2};
 
 
-CPU_BYTE table_Rx[16]     = {0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0};
-CPU_BYTE table_RM[16]     = {0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0};
-CPU_BYTE table_Ry[16]     = {0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1};
-CPU_BYTE table_Opmode[16] = {0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0};
-CPU_BYTE table_Mode[16]   = {0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0};
-CPU_BYTE table_Size[16]   = {0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0};
+CPU_BYTE M68k_Rx[16]     = {0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0};
+CPU_BYTE M68k_RM[16]     = {0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0};
+CPU_BYTE M68k_Ry[16]     = {0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1};
+CPU_BYTE M68k_Opmode[16] = {0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0};
+CPU_BYTE M68k_Mode[16]   = {0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0};
+CPU_BYTE M68k_Size[16]   = {0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0};
 

Modified: trunk/rosapps/devutils/cputointel/m68k/M68kopcode.c
URL:
http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/m68k/M…
==============================================================================
--- trunk/rosapps/devutils/cputointel/m68k/M68kopcode.c (original)
+++ trunk/rosapps/devutils/cputointel/m68k/M68kopcode.c Sun Dec 31 19:03:07 2006
@@ -21,10 +21,10 @@
     CPU_INT Ry;
     //CPU_INT cpuint;
             
-    opmode = ConvertBitToByte(table_Opmode);
-    mode = ConvertBitToByte(table_Mode);
-    Rx = ConvertBitToByte(table_Rx);
-    Ry = ConvertBitToByte(table_Ry);
+    opmode = ConvertBitToByte(M68k_Opmode);
+    mode = ConvertBitToByte(M68k_Mode);
+    Rx = ConvertBitToByte(M68k_Rx);
+    Ry = ConvertBitToByte(M68k_Ry);
 
     fprintf(out,"Line_0x%8x :\n",BaseAddress + cpu_pos);
 

Modified: trunk/rosapps/devutils/cputointel/m68k/m68k.h
URL:
http://svn.reactos.org/svn/reactos/trunk/rosapps/devutils/cputointel/m68k/m…
==============================================================================
--- trunk/rosapps/devutils/cputointel/m68k/m68k.h (original)
+++ trunk/rosapps/devutils/cputointel/m68k/m68k.h Sun Dec 31 19:03:07 2006
@@ -12,9 +12,9 @@
 CPU_INT M68k_Asl(FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size,
CPU_UNINT BaseAddress);
 CPU_INT M68k_Asr(FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size,
CPU_UNINT BaseAddress);
 
-extern CPU_BYTE table_Rx[16];
-extern CPU_BYTE table_RM[16];
-extern CPU_BYTE table_Ry[16];
-extern CPU_BYTE table_Opmode[16];
-extern CPU_BYTE table_Mode[16];
-extern CPU_BYTE table_Size[16];
+extern CPU_BYTE M68k_Rx[16];
+extern CPU_BYTE M68k_RM[16];
+extern CPU_BYTE M68k_Ry[16];
+extern CPU_BYTE M68k_Opmode[16];
+extern CPU_BYTE M68k_Mode[16];
+extern CPU_BYTE M68k_Size[16];